From 4ca31929466b2804eac74d04ec7bf656c568250e Mon Sep 17 00:00:00 2001 From: York Sun Date: Thu, 17 Mar 2011 11:18:12 -0700 Subject: [PATCH] powerpc/mpc8xxx: disable rcw_en bit for non-DDR3 rcw_en bit is only available for DDR3 controllers. It is a reserved bit on DDR1 and DDR2 controllers. Signed-off-by: York Sun Signed-off-by: Kumar Gala --- arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c index 8ef6ca8c1c..cefabe769f 100644 --- a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c +++ b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c @@ -682,7 +682,9 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr, | ((obc_cfg & 0x1) << 6) | ((ap_en & 0x1) << 5) | ((d_init & 0x1) << 4) +#ifdef CONFIG_FSL_DDR3 | ((rcw_en & 0x1) << 2) +#endif | ((md_en & 0x1) << 0) ); debug("FSLDDR: ddr_sdram_cfg_2 = 0x%08x\n", ddr->ddr_sdram_cfg_2);